Visible crew/equipment: When Nada is escaping with Holly, you can see the reflection of the film crew on the car. (00:44:15)
Visible crew/equipment: After Nada opens the box and looks at the shades, if you look carefully, you can see the filming equipment reflected in the lenses.
Answer: Yes, she was collaborating with the aliens in exchange for wealth and a comfortable lifestyle all along. She was playing dumb, even when she showed up at the underground meeting, a double agent.